apps.dot.illinois.gov - /eplan/desenv/Standards/District 1/D1TrafficDesign/ExampleTrafficSignalPlans/

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11/24/2025  2:28 PM      6921747 TrafficLet-PartialTSModernization.pdf
11/24/2025  2:10 PM      3797172 TSModernizationWithCentralSystem.pdf
11/24/2025  2:04 PM      3660739 TSModernizationWithClosedLoopSystem.pdf